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ANSI/ISA 61511.1-2018 (IEC 61511-1:2016+AMD1:2017 CSV)
Functional Safety û Safety Instrumented Systems for the Process Industry Sector û Part 1: Framework, definitions, system, hardware and application programming requirements (IEC 61511-1:2016+AMD1:2017 CSV, IDT)
This part of IEC 61511 gives requirements for the specification, design, installation, operation and maintenance of a safety instrumented system (SIS), so that it can be confidently entrusted to achieve or maintain a safe state of the process. IEC 61511-1 has been developed as a process sector implementation of IEC 61508:2010.
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The International Society of Automation [isa]